45538031613 has 16 divisors (see below), whose sum is σ = 62140801536. Its totient is φ = 29647233840.

The previous prime is 45538031587. The next prime is 45538031621. The reversal of 45538031613 is 31613083554.

It is not a de Polignac number, because 45538031613 - 2¹⁶ = 45537966077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45538031213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746056 + ... + 804782.

It is an arithmetic number, because the mean of its divisors is an integer number (3883800096).

Almost surely, 2^45538031613 is an apocalyptic number.

45538031613 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

45538031613 is a deficient number, since it is larger than the sum of its proper divisors (16602769923).

45538031613 is a wasteful number, since it uses less digits than its factorization.

45538031613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64784.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 45538031613 in words is "forty-five billion, five hundred thirty-eight million, thirty-one thousand, six hundred thirteen".